Glucose has to get into cells, that's the main source of energy source that cells use, metabolism of glucose.

但葡萄糖又必须进入细胞,因为它是细胞能量的主要来源,即通过葡萄糖代谢产生能量

耶鲁公开课 - 生物医学工程探索课程节选

Glucose is a great example of that and we're going to come back to that a little bit later in the lecture.

葡萄糖就是一个很好的例子,我们会在稍后讲解这个内容

耶鲁公开课 - 生物医学工程探索课程节选

Under the monosaccharides, glucose, fructose and galactose are the sugars.

单糖包括,葡萄糖,果糖,以及半乳糖

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That's how tight the junctions are, not even a small molecule like glucose can pass between them.

可见胞间连接多么紧密,甚至像葡萄糖这样小的分子也不能通过

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In order for glucose to enter our body it has to go through the cells.

如果葡萄糖要进入身体,它必须穿过上皮细胞

耶鲁公开课 - 生物医学工程探索课程节选

Because of that, if I eat something that's rich in glucose, so it has lots of sugar molecules, the sugar molecules can't pass between the cells.

因此,如果我吃了富含葡萄糖的食物,尽管其含有很多的糖分子,但糖分子不能从细胞间通过

耶鲁公开课 - 生物医学工程探索课程节选

It could be that that signal is 'you need more glucose', and so the cellular response is to create more glucose transporters to bring more glucose into the cell.

这信号还可能是,"需要更多葡萄糖",细胞的反馈就是,产生更多的葡萄糖载体,将更多的糖分子输送进细胞

耶鲁公开课 - 生物医学工程探索课程节选

Those are called glucose transporters.

这些分子叫做葡萄糖转运载体

耶鲁公开课 - 生物医学工程探索课程节选